General Science Questions

Q:

______ is the time taken by the earth to return to a given point in its orbit with reference to a fixed star.

A) Lunar year B) Sidereal year
C) Solar year D) Tropical year
 
Answer & Explanation Answer: B) Sidereal year

Explanation:
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Q:

Which of the following is biodegradable?

A) Cattle dung B) Aluminium cans
C) Plastics D) D.D.T
 
Answer & Explanation Answer: A) Cattle dung

Explanation:

Any substance that does not cause pollution and is capable of getting decomposed by any living organism is called as Bio degradable. Human & animal excreta, plant wastes etc... come under bio-degradable.

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Q:

What is the name of the asteroid that causes Geminid meteor shower display around 15 December of every year?

A) 3 Juno B) 3200 Phaethon
C) 511 Davida D) 5200 Europa
 
Answer & Explanation Answer: B) 3200 Phaethon

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Q:

UV rays coming from Sun, majorly causes which cancer?

A) Lungs cancer B) Liver cancer
C) Mouth cancer D) Skin cancer
 
Answer & Explanation Answer: D) Skin cancer

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Q:

Which of the following is the largest mammal?

A) Whale B) Rhinoceros
C) Elephant D) Human
 
Answer & Explanation Answer: A) Whale

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Q:

A fresh egg when placed in salt water will

A) sink and go to the bottom B) sink but will not go to the bottom
C) float D) burst
 
Answer & Explanation Answer: C) float

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Q:

‘Altitude sickness’ is caused at high altitude due to

A) high partial pressure of oxygen B) low partial pressure of oxygen
C) low level of haemoglobin D) high partial pressure of carbon dioxide
 
Answer & Explanation Answer: B) low partial pressure of oxygen

Explanation:

Altitude sickness, the mildest form being acute mountain sickness (AMS), is the negative health effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation.

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Q:

The 'solid waste' is also known as

A) Sedge B) Toxic waste
C) Sludge D) Scrubber
 
Answer & Explanation Answer: C) Sludge

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